Contact Mouser (USA)  (800) 346-6873     |     Feedback        
View Cart     |     Change Location  USD
United States United States

Please confirm your currency selection:

US Dollars

All Products > Electromechanical > Circuit Breakers
Circuit breakers are available at Mouser Electronics from industry leading manufacturers.  Mouser is an authorized distributor for many circuit breaker manufacturers including Altech, Carling, Cooper Bussmann, Littelfuse, Schurter, TE Connectivity, & more. Please view our selection of circuit breakers below.
Category   Electromechanical >  Circuit Breakers

Available Filters 7,499 Matches  

Manufacturer
 
Reset
 
Product
Reset
 
Product Type
Reset
 
Current Rating
Reset
 
Voltage Rating AC
Reset
 
Voltage Rating DC
Reset
 
Number of Poles
Reset
 
Actuator Type
Reset
 
Circuit Function
Reset
 
Series
Reset
 
Operating Temperature Range
Reset
 
Illuminated
Reset
 

Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
(USD)
Quantity RoHS Product Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Type Circuit Function Series Operating Temperature Range Illuminated
Sort by Mouser Part # AscendingSort by Mouser Part # DescendingSort by Mfr. Part # AscendingSort by Mfr. Part # DescendingSort by Mfr. AscendingSort by Mfr. DescendingSort by Availability AscendingSort by Pricing AscendingSort by Pricing DescendingSort by Product AscendingSort by Product DescendingSort by Product Type AscendingSort by Product Type DescendingSort by Current Rating AscendingSort by Current Rating DescendingSort by Voltage Rating AC AscendingSort by Voltage Rating AC DescendingSort by Voltage Rating DC AscendingSort by Voltage Rating DC DescendingSort by Number of Poles AscendingSort by Number of Poles DescendingSort by Actuator Type AscendingSort by Actuator Type DescendingSort by Circuit Function AscendingSort by Circuit Function DescendingSort by Series AscendingSort by Series DescendingSort by Operating Temperature Range AscendingSort by Operating Temperature Range DescendingSort by Illuminated AscendingSort by Illuminated Descending
TE Connectivity / P&B W58-XB1A4A-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET
Page 2,132

Data Sheet
653
In Stock
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-8
Enlarge
TE Connectivity / P&B Circuit Breakers 8A PUSH TO RESET QC
Page 2,132

Data Sheet
476
In Stock
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 8 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,132

Data Sheet
679
In Stock
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET
Page 2,132

Data Sheet
724
In Stock
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET
Page 2,132

Data Sheet
509
In Stock
More Info Available
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-2
Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH TO RESET
Page 2,131

Data Sheet
1,963
In Stock
1: $5.81
10: $5.46
25: $5.08
50: $4.60
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XC4C12A-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET ST
Page 2,132

Data Sheet
353
In Stock
1: $5.90
10: $5.42
25: $4.95
50: $4.46
100: $3.78



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-1
Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH TO RESET
Page 2,131

Data Sheet
1,447
In Stock
1: $6.19
10: $5.81
25: $5.41
50: $4.90
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 1 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-3
Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET
Page 2,132

Data Sheet
466
In Stock
1: $7.28
10: $6.84
25: $6.37
50: $5.76
100: $4.54



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-1
Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH TO RESET QC
Page 2,132

Data Sheet
715
In Stock
More Info Available
1: $7.28
10: $6.84
25: $6.37
50: $5.76
100: $4.54



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 1 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-2
Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH TO RESET
Page 2,132

Data Sheet
639
In Stock
1: $7.42
10: $6.98
25: $6.49
50: $5.87
100: $4.64



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W33-S1N1Q-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A 2-P Black Rocker P1 Switch P2 Trip QC
Page 2,941

Data Sheet
220
In Stock
1: $18.57
5: $16.89
10: $15.88
25: $14.54
50: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B W23-X1A1G-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH/PULL ACT.
Page 2,131

Data Sheet
193
In Stock
1: $23.71
10: $22.13
25: $20.75
50: $18.77
100: $14.82



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH/PULL ACT.
Page 2,131

Data Sheet
130
In Stock
1: $23.71
10: $22.13
25: $20.75
50: $18.77
100: $14.82



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-50
Enlarge
TE Connectivity / P&B Circuit Breakers 50A PUSH/PULL ACT.
Page 2,131

Data Sheet
297
In Stock
1: $23.71
10: $22.13
25: $20.75
50: $18.77
100: $14.82



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 50 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH/PULL ACT.
Page 2,131

Data Sheet
113
In Stock
1: $24.68
10: $24.03
25: $21.59
50: $19.53
100: $16.73



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-40
Enlarge
TE Connectivity / P&B Circuit Breakers 40A PUSH/PULL ACT.
Page 2,131

Data Sheet
73
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 40 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH/PULL ACT.
Page 2,131

Data Sheet
221
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH/PULL ACT.
Page 2,131

Data Sheet
117
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-50
Enlarge
TE Connectivity / P&B Circuit Breakers 50A TOGGLE ACTUATOR
Page 2,131

Data Sheet
134
In Stock
1: $29.52
10: $27.54
25: $25.82
50: $23.36
100: $18.45



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 50 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A TOGGLE ACTUATOR
Page 2,131

Data Sheet
53
In Stock
1: $29.54
10: $27.56
25: $25.84
50: $23.37
100: $21.76



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A TOGGLE ACTUATOR
Page 2,131

Data Sheet
161
In Stock
1: $29.54
10: $27.56
25: $25.84
50: $23.37
100: $21.76



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A TOGGLE ACTUATOR
Page 2,131

Data Sheet
78
In Stock
1: $30.10
10: $28.08
25: $26.33
50: $23.82
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
Altech 1DU2L
Enlarge
Altech Circuit Breakers 2.0A One Pole "D"
Page 2,128

Data Sheet
298
In Stock
1: $30.97
10: $29.83
50: $27.11
100: $15.29
250: View



Min.: 1
Mult.: 1
Circuit Protection Devices D-Trip 2 A 277 VAC 1 Pole Handle Supplementary Protectors L - 25 C to + 60 C Not Illuminated
Altech 3DU6R
Enlarge
Altech Circuit Breakers 6A D Characteristic UL 1077 3 POLE
Page 2,938

Data Sheet
143
In Stock
1: $34.62
10: $31.41
50: $29.48
100: $28.89
250: View



Min.: 1
Mult.: 1
Circuit Protection Devices D-Trip 6 A 277 V 3 Poles Handle Supplementary Protectors R - 25 C to + 60 C Not Illuminated
Compare up to 20 parts.
7499